#define _CRT_SECURE_NO_WARNINGS 1
#include<stdio.h>
int main()
{
	int a = 0, b = 0;
	scanf("%d %d", &a, &b);
	int m = (a > b ? a : b);
	while (m % a != 0 || m % b != 0)
	{
		m++;
	}
	printf("%d\n",m);
	return 0;
}